<template>
  <div class="swiper-container" ref="swiper">
    <div class="swiper-wrapper">
      <div
        class="swiper-slide"
        v-for="(img, index) in skuImageList"
        :key="img.id"
      >
        <img
          :src="img.imgUrl"
          :alt="img.imgName"
          :class="{ active: index === currentIndex }"
          @click="$emit('getImgIndex', index)"
        />
      </div>
    </div>

    <!-- 如果需要导航按钮 -->
    <div class="swiper-button-prev"></div>
    <div class="swiper-button-next"></div>
  </div>
</template>

<script>
import Swiper from "swiper";
import "swiper/dist/css/swiper.css";
import "swiper/dist/js/swiper";
export default {
  name: "ImgList",
  props: {
    skuImageList: Array,
    currentIndex: Number,
  },
  components: {},
  data() {
    return {};
  },
  methods: {},
  mounted() {},
  watch: {
    skuImageList: {
      async handler(newVal) {
        if (!newVal) return;
        await this.$nextTick();
        new Swiper(this.$refs.swiper, {
          speed: 1000, // 轮播速度
          // 如果需要前进后退按钮
          navigation: {
            nextEl: ".swiper-button-next",
            prevEl: ".swiper-button-prev",
          },
          slidesPerView: 5, // 一行显示多少张图片
          slidesPerGroup: 2, // 点击的时候一次滚动的图片张数
        });
      },
      immediate: true,
    },
  },
};
</script>
<style lang="less" scoped>
.swiper-container {
  height: 56px;
  width: 412px;
  box-sizing: border-box;
  padding: 0 12px;

  .swiper-slide {
    width: 56px;
    height: 56px;

    img {
      width: 100%;
      height: 100%;
      border: 1px solid #ccc;
      padding: 2px;
      width: 50px;
      height: 50px;
      display: block;

      &.active {
        border: 2px solid #f60;
        padding: 1px;
      }

      &:hover {
        border: 2px solid #f60;
        padding: 1px;
      }
    }
  }

  .swiper-button-next {
    left: auto;
    right: 0;
    &::after {
      content: ">";
      font-size: 16px;
      color: skyblue;
      line-height: 56px;
    }
  }

  .swiper-button-prev {
    left: 0;
    right: auto;
    &::after {
      content: "<";
      font-size: 16px;
      color: skyblue;
      line-height: 56px;
    }
  }

  .swiper-button-next,
  .swiper-button-prev {
    box-sizing: border-box;
    width: 12px;
    height: 56px;
    background: rgb(235, 235, 235);
    border: 1px solid rgb(204, 204, 204);
    top: 0;
    margin-top: 0;
    &::after {
      font-size: 12px;
    }
  }
}
</style>

